document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=821106>Question 821106</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Let K of J be defined as the sum of all integers between K and J. For example 5 of 9=6+7+8=21. What is the value of (80 of 110)-(81 of 109)? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #494625 by </B><A HREF=/tutors/aboutme.mpl?userid=tommyt3rd><B>tommyt3rd(5050)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=tommyt3rd><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=tommyt3rd><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=494625\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Since these are fairly easy to do, we can write it out...\r<BR>\n" );
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document.write( "(80 of 110)-(81 of 109)=<BR>\n" );
document.write( "(81+82+83+...+109) - (82+83+84+...+108)=<BR>\n" );
document.write( "81+109=<BR>\n" );
document.write( "190 </SPAN>\n" );
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